The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 06, 2013
Filed:
Sep. 08, 2010
Steven F. Bolling, Ann Arbor, MI (US);
Brian Sheahan, Santa Rosa, CA (US);
Joseph M. Madden, Los Gatos, CA (US);
Shimon Gersten, San Diego, CA (US);
Steven F. Bolling, Ann Arbor, MI (US);
Brian Sheahan, Santa Rosa, CA (US);
Joseph M. Madden, Los Gatos, CA (US);
Shimon Gersten, San Diego, CA (US);
BioVigil, LLC, Ann Arbor, MI (US);
Abstract
Among other things, systems to encourage compliance with hand washing procedures can include: an infrared emitter that projects a first infrared beam with a transverse cross-section having a first axis and a second axis that is shorter than the first axis, the transverse cross-section having a maximum length along the first axis, the infrared emitter modulating the first infrared beam to transmit a first identification signal; wherein the infrared emitter projecting the first infrared beam is placed such that the first axis of the transverse cross-section of the first infrared beam is substantially parallel to a boundary.